98865018 has 96 divisors (see below), whose sum is σ = 262304640. Its totient is φ = 26282880.

The previous prime is 98865007. The next prime is 98865049. The reversal of 98865018 is 81056889.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145696 + ... + 146372.

It is an arithmetic number, because the mean of its divisors is an integer number (2732340).

Almost surely, 2^98865018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98865018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131152320).

98865018 is an abundant number, since it is smaller than the sum of its proper divisors (163439622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98865018 is a wasteful number, since it uses less digits than its factorization.

98865018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 98865018 is about 9943.0889566573. The cubic root of 98865018 is about 462.3961576460.

The spelling of 98865018 in words is "ninety-eight million, eight hundred sixty-five thousand, eighteen".